...Andrii Dreus; Serhii Aleksieienko; Mykola Dron; Krystyna Heti; Ludmila Dubovik Purpose This study aims to investigate the aerodynamic behavior of cone-cylinder flight bodies with varying geometric parameters under subsonic, transonic and low-supersonic flow conditions. The motivation stems from...

... and aerodynamic moments. The model is implemented within a Matlab/Simulink simulation framework and validated through comparison with existing simulation results from previous studies. Additionally, root locus analysis is used to examine the effects of key parameters, particularly ground static pitch angle...

... when adapted to a VTOL due to their unique flight dynamics. This study aims to establish methods for analyzing parachute aerodynamic properties and inflation behavior, providing critical insights to optimize parachute recovery systems for VTOL aircraft and enhance their safety and reliability...

...Katarzyna Kania; Marcin Figat Purpose Tandem wing aircrafts belong to an unconventional configuration. It consists of two pairs of similar wings generating lift. System is characterised by strong aerodynamic coupling between wings. The flow around this configuration is very complex and difficult...

... might increase the nacelle drag, weight and the detrimental interference effects with the airframe. Consequently, the benefits from the new UHBPR aero-engine cycle may be eroded. This paper aims to evaluate the potential improvement in the aerodynamic performance of compact nacelles for installed aero...

... bird to the wandering albatross, it is not appropriate to use it in the design as the dominant flight style is flapping wings (Tennekes, 2009). Birds UAV Aircraft design Aerodynamics Glider Bioinspiration The morphological features of birds in gliding and thermal turning flights have...

...Zi Kan; Daochun Li; Shiwei Zhao; Jinwu Xiang; Enlai Sha Purpose This paper aims to assess the aeroacoustic and aerodynamic performance of a morphing airfoil with a flexible trailing edge (FTE). The objective is to make a comparison of the aerodynamic noise characteristics between the conventional...

... Licensed re-use rights only Computational fluid dynamics Motion simulation Aerodynamics Store separation Two coordinate systems are used in this simulation. One, local, Ox_oy_oz_o (Figure 4a) is oriented with the aircraft datum planes and placed in the front...

...@uanl.edu.mx 01 10 2019 09 05 2020 18 05 2020 © Emerald Publishing Limited 2020 Emerald Publishing Limited Licensed re-use rights only UAV Flight dynamics Automatic control Instrumentation Aerodynamics Pitch control Unmanned aerial vehicles (UAVs) have acquired...

... the same boundary conditions have also been carried out for comparison. Findings The obtained values of aerodynamic coefficients and pressure contours visualizations are compared against their experimental and computational counterparts. A typical missile aerodynamic characteristic trend can be seen...

... and highly integrated inlets. This research offers a means for gaining new understanding of the in situ aerodynamic phenomena involved with complex inlet distortion. Originality/value This paper presents unique applications of turbofan inlet velocimetry methods while providing an original...

... aerodynamic efficiency by about 2 per cent in terms of fuel consumption and emissions. As the leading edge of the wing tip is not protected with high-lift device, flow separation occurs earlier than over the inboard wing in the take-off/landing configuration. The aim of this study is the adoption of AFC...

...Marcin Figat Purpose This paper aims to present the results of aerodynamic calculation of the aircraft in tandem wing configuration called VTOL. A presented vehicle combines the capabilities of the classic aircraft and helicopters. The aircraft is equipped with two pairs of tilt-rotors mounted...

...Tugrul Oktay; Metin Uzun; Ozturk Ozdemir Kanat Purpose The purpose of this study is to increase maximum lift/drag ratio (E_max) of tactical unmanned aerial vehicles (TUAVs) via applying novel small aerodynamic modifications. Design methodology/approach A TUAV is manufactured...

...Marcin Figat Purpose This paper aims to present the results of aerodynamic calculation of impact the main rotor on the fuselage and the tail of a light gyroplane. This kind of vehicle is a type of rotorcraft which uses a non-powered rotor in autorotation to develop lift and engine-powered...

...Marco Evangelos Biancolini; Emiliano Costa; Ubaldo Cella; Corrado Groth; Gregor Veble; Matej Andrejašič Purpose The present paper aims to address the description of a numerical optimization procedure, based on mesh morphing, and its application for the improvement of the aerodynamic performance...

...Guo Qing Zhang; S C.M Yu; J Schlüter Purpose – The purpose of this paper is to investigate the aerodynamics characteristics (especially the side force/moment and rolling characteristics), to analyze the impacts generated by different parameters of wrap-around fins (WAFs) and to find...

...Elteyeb Eljack; Ibraheem AlQadi; Mahmood Khalid Purpose – The purpose of this paper is to identifying ways to reduce the effects of wing-vortex interaction by applying surface porosity on selected areas of the exposed surface. A number of papers recently have investigated the aerodynamic...

...Xiaomin Chen; Ramesh Agarwal Purpose In recent years, the airfoil sections with blunt trailing edge (called flatback airfoils) have been proposed for the inboard regions of large wind‐turbine blades because they provide several structural and aerodynamic performance advantages. The purpose...

...Yihua Cao; Xu Zhu Purpose The purpose of this paper is to describe the effects of characteristic geometric parameters on parafoil aerodynamic performance by using computational fluid dynamics (CFD) technique. Design/methodology/approach The main characteristic geometric parameters cover...